Confused passengers followed suit and rushed out of the train without so much as a clue of what was going on.

In a bizarre incident caught on camera, a screaming passenger brought the house down at a subway station in China. Surveillance footage shows the passenger causing a frenzy at the Shenzen station after he started screaming inside the train and made a dash for the doors. Confused passengers followed suit and rushed out of the train without so much as a clue of what was going on.

The incident happened on a crowded subway on Sunday. CCTV video from inside the train shows the screaming man suddenly running out, followed by other passengers. Looking at the swarm of panic-stricken people exiting the train, commuters waiting at the platform too begin running out of the station. After a few minutes, security crew can be seen asking commuters to calm down.